Objects in the image:
category: truck
category: motorcycle
category: car
category: person
category: person
category: bus
category: truck
category: car

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: is it a car?
a: No
q: is it the bus?
a: No
q: is it this yellow police bike?
a: No
q: is it a truck behind this police vehicle?
a: Yes